WO2010106731A1 - タレット刃物台のクーラント供給構造 - Google Patents

タレット刃物台のクーラント供給構造 Download PDF

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Publication number
WO2010106731A1
WO2010106731A1 PCT/JP2010/000989 JP2010000989W WO2010106731A1 WO 2010106731 A1 WO2010106731 A1 WO 2010106731A1 JP 2010000989 W JP2010000989 W JP 2010000989W WO 2010106731 A1 WO2010106731 A1 WO 2010106731A1
Authority
WO
WIPO (PCT)
Prior art keywords
turret
shaft
coolant
tool
intermediate shaft
Prior art date
Application number
PCT/JP2010/000989
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
青柳厚志
Original Assignee
シチズンマシナリー株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by シチズンマシナリー株式会社 filed Critical シチズンマシナリー株式会社
Priority to EP10753228.5A priority Critical patent/EP2409799B1/en
Priority to US13/138,639 priority patent/US8677584B2/en
Priority to CN2010800122117A priority patent/CN102355970B/zh
Publication of WO2010106731A1 publication Critical patent/WO2010106731A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/04—Tool holders for a single cutting tool
    • B23B29/12—Special arrangements on tool holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
    • B23B29/242—Turrets, without description of the angular positioning device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2220/00—Machine tool components
    • B23Q2220/002—Tool turrets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5152—Plural diverse manufacturing apparatus including means for metal shaping or assembling with turret mechanism
    • Y10T29/5154—Plural diverse manufacturing apparatus including means for metal shaping or assembling with turret mechanism tool turret
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/14—Cutters, for shaping with means to apply fluid to cutting tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/16—Severing or cut-off
    • Y10T82/16065—Combined with means to apply fluid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/25—Lathe
    • Y10T82/2502—Lathe with program control
    • Y10T82/2506—And tool turret
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/25—Lathe
    • Y10T82/2585—Tool rest
    • Y10T82/2587—Turret type holder [e.g., multiple tools, etc.]

Definitions

  • This invention relates to the coolant supply structure which supplies a coolant to the tool mounting part of a turret tool post.
  • a turret cutter having a hollow pivot shaft for pivoting a turret to which a tool is mounted, a hollow intermediate shaft disposed inside the pivot shaft, and a drive shaft of a rotary tool mounted on the turret.
  • a table is known (see, for example, Patent Document 1).
  • coolant is supplied to a tool mounting portion of the turret to which the tool is mounted, and coolant is supplied from the tool mounting portion to a workpiece processing site of the tool. Is generally performed (see, for example, Patent Document 2).
  • a coolant supply pipe inserted into the hollow drive shaft of the rotary tool is used as a coolant flow path.
  • the coolant supply pipe has a drawback that the center portion of the intermediate shaft into which the coolant supply pipe is inserted cannot be effectively used as a space because the coolant flows through the inside. Further, since the coolant supply pipe needs to be inserted into the innermost shaft, the shaft with the smallest diameter needs to be hollow.
  • the present invention has been made in view of the above problems, and the central portion of the intermediate shaft can be effectively used as a space. Further, when a shaft such as a drive shaft is inserted through the intermediate shaft, the shaft is made hollow. It is an object of the present invention to provide a coolant supply structure for a turret tool post having a simple configuration capable of supplying coolant to the tool mounting portion of the turret.
  • a coolant supply apparatus of the present invention includes a turret equipped with a tool, a hollow swivel shaft for swiveling the turret, and a hollow intermediate shaft disposed inside the swivel shaft.
  • a coolant supply structure for supplying coolant to a tool mounting portion of the turret, and having a cylinder inserted into the intermediate shaft, and formed between the cylinder and the intermediate shaft This space is used as a coolant passage.
  • a drive shaft of a rotary tool attached to the turret may be inserted into the cylindrical body.
  • the central portion of the intermediate shaft into which the cylinder is inserted can be effectively used as a space.
  • a drive shaft of a rotary tool mounted on the turret can be provided at the center of the intermediate shaft, and a solid shaft can be used as the drive shaft.
  • the present invention may be configured such that a guide passage for guiding coolant to the tool mounting portion is formed in the turret, and a communication passage for sending the coolant from the flow passage to the guide passage is formed.
  • the communication path may be constituted by a pipe or the like connecting the flow path and the guide flow path, but may be formed on the intermediate shaft.
  • the flow path of the coolant supplied to the tool mounting portion of the turret can be easily formed, the center portion of the intermediate shaft can be effectively used as a space, and the drive shaft can be used as the intermediate shaft.
  • the cross-sectional area of the coolant circulation hole can be increased as compared with the case where the coolant is supplied to the shaft center portion through the coolant supply pipe, and a large amount of coolant can be circulated.
  • coolant can be supplied to a predetermined tool mounting portion even when other rotating shafts, moving bodies, or other structural members are arranged near the tip of the drive shaft.
  • FIG. 1 is a front sectional view for explaining the configuration of the turret tool post in this embodiment.
  • FIG. FIG. In the following description, the upper part of the page of FIG. 1 and FIG.
  • the turret tool post 1 includes a tool post main body 11 and a turret 12 supported by the tool post main body 11 so as to be indexed and rotatable.
  • a support hole 11a is formed in the turret body 11 in the vertical direction, and a hollow turning shaft 15 that is rotatably supported by the turret body 11 is inserted into the support hole 11a.
  • the turret 12 can mount a tool on each of a plurality of tool mounting portions formed on the peripheral surface, and is arranged at the upper end of the pivot shaft 15 so that the center of indexing rotation is located on the rotation axis of the pivot shaft 15. It is attached.
  • Positioning means 11b for positioning and fixing the turret 12 at a predetermined turning angle position is provided between the turret 12 side and the tool post body 11 side.
  • the carving coupling is used as the positioning means 11b
  • the engagement of the carving coupling is released by raising the turret 12 integrally with the turning shaft 15, and the turning shaft 15 is driven to rotate. Then, the turret 12 is rotated integrally with the turning shaft 15, and after the rotation is completed, the turret 12 and the turning shaft 15 are lowered integrally, and the turret 12 is positioned by engaging the carving coupling. Indexing rotation is performed.
  • a hollow intermediate shaft 19 is inserted into the through hole 15 a of the turning shaft 15.
  • the lower end of the intermediate shaft 19 protrudes from the lower end of the turning shaft 15 and is fixed to the tool post body 11 side.
  • the upper end of the intermediate shaft 19 protrudes from the upper end of the pivot shaft 15 and reaches the upper surface of the turret 12 inside the turret 12.
  • the upper portion of the intermediate shaft 19 is formed as a transmission shaft support portion 19c, and the transmission shaft 17 is horizontally supported by the transmission shaft support portion 19c so as to be rotatable.
  • One end of the transmission shaft 17 is formed with an engaging portion 17a that can be detachably engaged with the shank portion Ta of the tool T mounted on the tool mounting portion indexed to the machining position by the turning of the turret 12. ing.
  • the drive shaft 16 is inserted through the through hole 19 a of the intermediate shaft 19 concentrically with the turning shaft 15.
  • the lower end of the drive shaft 16 protruding from the lower end of the intermediate shaft 19 is rotatably supported on the tool post body 11 side.
  • the upper end of the drive shaft 16 is rotatably supported by a bearing 22 fitted in the through hole 19 a of the intermediate shaft 19.
  • the transmission shaft 17 is positioned substantially directly above the drive shaft 16, and the transmission shaft 17 and the drive shaft 16 are connected via bevel gears 20 a and 20 b, and the rotation of the drive shaft 16 is transmitted to the transmission shaft 17.
  • the indexing rotation of the turret 12 the engagement between the shank portion Ta and the engaging portion 17a of the rotary tool T of the tool mounting portion currently indexed at the machining position is released, and the tool indexed to the machining position next.
  • the shank portion Ta of the rotary tool T of the mounting portion is engaged with the engaging portion 17a, the indexed rotary tool T is rotationally driven through the transmission shaft 17 by the rotational drive of the drive shaft 16, thereby processing the workpiece. It can be performed.
  • a plurality of guide channels 26 extending radially from the index rotation center of the turret 12 toward each of the tool mounting portions are formed on the turret 12.
  • the guide channel 26 can communicate with the coolant hole Tb of the tool T mounted on the tool mounting portion.
  • One end of the guide channel 26 opens to a sliding contact surface where the turret 12 and the upper end of the intermediate shaft 19 are in sliding contact.
  • the drive shaft 16 is formed with a smaller diameter than the inner diameter of the through hole 19a of the intermediate shaft 19, and a gap is formed between the drive shaft 16 and the inner peripheral surface of the through hole 19a.
  • a cylindrical body 23 is provided in the gap so as to be externally fitted to the drive shaft 16.
  • the gap between the outer peripheral surface of the cylindrical body 23 and the inner peripheral surface of the through hole 19a constitutes a first coolant flow passage 24 as a coolant flow passage supplied to the guide flow path 26.
  • the lower end of the through-hole 19a is formed as a small-diameter hole portion having an inner diameter substantially the same as the outer diameter of the cylindrical body 23 at a position below the lower end of the pivot shaft 15.
  • a seal member 23 a such as an O-ring for preventing coolant leakage is provided between the inner peripheral surface of the small diameter hole portion and the outer peripheral surface of the cylindrical body 23.
  • the upper end of the cylindrical body 23 located above the through hole 19a is formed as a large diameter portion having an outer diameter substantially the same as the inner diameter of the through hole 19a, and between this large diameter portion and the inner peripheral surface of the through hole 19a.
  • a seal member 23b such as an O-ring for preventing coolant leakage is provided.
  • a hole 19 b communicating with the first coolant flow passage 24 is formed at a position below the lower end of the turning shaft 15. The coolant of the coolant source provided outside the turret tool post 1 is supplied to the first coolant flow passage 24 through this hole 19b.
  • a second coolant flow passage 25 as a communication passage is formed from the lower end to the upper end of the transmission shaft support portion 19c.
  • the second coolant flow passage 25 communicates with the first coolant flow passage 24 below the seal member 23 b and allows the coolant supplied from the first coolant flow passage 24 to reach the upper end of the intermediate shaft 19. It can be distributed.
  • the second coolant flow passage 25 has an opening 25a on the sliding contact surface in a direction facing the opening 26a of the guide flow path 26 corresponding to the tool mounting portion indexed to the workpiece machining position.
  • the coolant supplied to the first coolant flow passage 24 through the hole 19b flows through the first coolant flow passage 24 and the second coolant flow passage 25, and the sliding contact is made. It flows through the surface openings 25a and 26a to the guide channel 26 and is supplied to the tool mounting portion, and the coolant is supplied from the guide channel 26 to the tool T mounted on the tool mounting portion.
  • the sliding contact surface of the turret 12 that is in sliding contact with the upper end of the intermediate shaft 19 closes the opening 25 a, so that the coolant does not leak from the second coolant flow passage 25.
  • the present invention is not limited to the above-described embodiments.
  • the case where the rotary tool is mounted horizontally on the turret 12 has been described as an example.
  • the present invention can also be applied to other turrets 12 where the rotary tool is mounted vertically or obliquely.
  • the first coolant flow passage 24 is constituted by a gap provided between the cylindrical body 23 and the intermediate shaft 19, but the first coolant flow passage 24 allows the coolant to flow. What is necessary is just to be able to be comprised, and it may be comprised from one or more groove
  • the coolant supplied to the tool mounting portion indexed to the processing position may be injected from the tip of the tool to the processing site through the through hole of the tool T, or from a nozzle provided in the tool mounting portion. You may make it inject
  • a larger amount of coolant can be circulated than when the coolant supply pipe arranged at the center of the shaft is used, so that the coolant is supplied to one tool of one turret as described above.
  • a sufficient amount of coolant can be supplied to the plurality of tools through a single coolant supply structure.
  • the present invention can be widely applied to machine tools such as a turret lathe for supplying coolant from a turret to a tool or workpiece machining position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Drilling And Boring (AREA)
PCT/JP2010/000989 2009-03-17 2010-02-17 タレット刃物台のクーラント供給構造 WO2010106731A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10753228.5A EP2409799B1 (en) 2009-03-17 2010-02-17 Coolant supply structure for turret tool head
US13/138,639 US8677584B2 (en) 2009-03-17 2010-02-17 Coolant supply structure for turret tool head
CN2010800122117A CN102355970B (zh) 2009-03-17 2010-02-17 转塔刀架的冷却剂供给结构

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-064547 2009-03-17
JP2009064547A JP5292141B2 (ja) 2009-03-17 2009-03-17 タレット刃物台のクーラント供給構造

Publications (1)

Publication Number Publication Date
WO2010106731A1 true WO2010106731A1 (ja) 2010-09-23

Family

ID=42739397

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2010/000989 WO2010106731A1 (ja) 2009-03-17 2010-02-17 タレット刃物台のクーラント供給構造

Country Status (6)

Country Link
US (1) US8677584B2 (zh)
EP (1) EP2409799B1 (zh)
JP (1) JP5292141B2 (zh)
KR (1) KR101635191B1 (zh)
CN (1) CN102355970B (zh)
WO (1) WO2010106731A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014070709A1 (en) * 2012-10-29 2014-05-08 The Board Of Trustees Of The University Of Arkansas Novel mucosal adjuvants and delivery systems
CN109290594A (zh) * 2018-09-29 2019-02-01 常州优思塔精密机械有限公司 一种任意工位可调带刀盘中心高压出水伺服刀塔

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101662336B1 (ko) * 2011-01-19 2016-10-04 두산공작기계 주식회사 밀링 공구대의 드라이빙 장치
US9586263B2 (en) * 2014-06-05 2017-03-07 Kennametal Inc Tool holder having improved internal coolant delivery
EP3147052B1 (en) * 2015-07-21 2018-12-19 Yamazaki Mazak Corporation Turret cutting tool holder and machine tool provided with same
TWI623372B (zh) * 2016-05-20 2018-05-11 Tool machine turret high-pressure cutting fluid water guiding device
CN106670521B (zh) * 2017-02-21 2018-11-06 台州开启精密机械有限公司 伺服刀塔及缓冲活塞缸
CN106623997B (zh) * 2017-02-21 2020-03-20 台州开启精密机械有限公司 车床刀塔组件
CN106670520B (zh) * 2017-02-21 2018-10-19 台州开启精密机械有限公司 运转稳定的车床刀塔组件
KR20210025264A (ko) 2019-08-27 2021-03-09 현대위아 주식회사 공작기계용 주축
WO2022249350A1 (ja) * 2021-05-26 2022-12-01 Dmg森精機株式会社 タレット装置

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JP2008055576A (ja) 2006-09-01 2008-03-13 Nakamura Tome Precision Ind Co Ltd 回転工具タレット
JP2008062315A (ja) * 2006-09-05 2008-03-21 Nakamura Tome Precision Ind Co Ltd 潤滑構造を備えた回転工具タレット
JP2008087089A (ja) 2006-09-29 2008-04-17 Star Micronics Co Ltd 回転工具ユニット及びそれを備えた工作機械
WO2009013912A1 (ja) * 2007-07-24 2009-01-29 Nsk Ltd. スピンドル装置

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JP2008062315A (ja) * 2006-09-05 2008-03-21 Nakamura Tome Precision Ind Co Ltd 潤滑構造を備えた回転工具タレット
JP2008087089A (ja) 2006-09-29 2008-04-17 Star Micronics Co Ltd 回転工具ユニット及びそれを備えた工作機械
WO2009013912A1 (ja) * 2007-07-24 2009-01-29 Nsk Ltd. スピンドル装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014070709A1 (en) * 2012-10-29 2014-05-08 The Board Of Trustees Of The University Of Arkansas Novel mucosal adjuvants and delivery systems
CN109290594A (zh) * 2018-09-29 2019-02-01 常州优思塔精密机械有限公司 一种任意工位可调带刀盘中心高压出水伺服刀塔

Also Published As

Publication number Publication date
KR20110127680A (ko) 2011-11-25
US20120006164A1 (en) 2012-01-12
EP2409799B1 (en) 2013-10-02
EP2409799A1 (en) 2012-01-25
CN102355970A (zh) 2012-02-15
EP2409799A4 (en) 2012-08-22
US8677584B2 (en) 2014-03-25
CN102355970B (zh) 2013-08-21
JP2010214531A (ja) 2010-09-30
JP5292141B2 (ja) 2013-09-18
KR101635191B1 (ko) 2016-06-30

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